Chest protector ALPINESTARS A-4 Plasma black / red / white. Anatomically profiled for all forms of off-road riding, the A-4 PLASMA Chest Protector features a semi-rigid thermoplastic polyhedron design chest protector and a Nucleon PLASMA back protector that are engineered to be lightweight, breathable, comfortable, adaptive, and protective.

MAIN CHARACTERISTICS

• Exceptional Comfort and Flexibility: The Nucleon PLASMA Back Protector is crafted from a USDA Certified Biobased viscoelastic material. Designed for multi-directional pliability, the protector molds to the body for a close fit, effectively dissipating impact energy to deliver reliable protection.
• Lightweight and highly ventilated, this protector offers strong impact force dispersion and absorption while ensuring maximum coverage area in all riding positions. Lightweight and Ultra-Ventilated Chest Armor: The chest outer shell’s design is based on geodesic polyhedrons, and like a geodesic dome, less material is needed to achieve the desired structural strength and imposed load performance when compared to flat or unfaceted surfaces. This results in a protector where the whole is greater than the sum of all its parts, making the new A-4 PLASMA Chest Protector supremely lightweight and ventilated.
• Premium Comfort: The over-injected flexible side wings of the chest protector perfectly follow the body’s contours for superior comfort and freedom of movement.
• Rib and Shoulder Coverage: The A-4 PLASMA Chest Protector features highly perforated, adjustable, and detachable rib and shoulder padding for additional coverage against roost and impact.
• BNS compatible via the elasticated BNS pull tabs situated on the removable soft tactile thermoformed shoulder pads.
• Constructed from Certified Biobased, eco-friendly and sustainable impact absorbing material.
• Equipped with adjustable shoulder and side straps for an optimized performance fit.
• Removable soft tactile thermoformed shoulder padding for enhanced rider comfort.
• The lining on the back protector offers a soft tactile feeling against the skin while maintaining the integral structure of the protectors and reducing the risk of any material tearing.
• The lining is ribbed for superior airflow while also reducing the amount of material that is in contact with the skin.
• The perforated 3D mesh chassis also offers additional protection against tire roost.
• Bionic Neck Support compatibility via the BNS shoulder pull tabs.
• According to European statutory law, the CE mark is a conformity requirement for the marketing of this product. The following standards apply:
• Back protector: EN 1621-2:2014 LEVEL 1
• Chest protector: EN 1621-3:2018 LEVEL 1